import axios from 'axios'
import { Message } from 'element-ui'
import store from '@/store'
import { getTimeStamp } from '@/utils/auth'
import router from '@/router'
const TimeOut = 3600 // 超时时间

// // create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  //   // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout超时时间
})

// request interceptor请求拦截器
service.interceptors.request.use(
  config => { // 请求的配置信息
    //     // do something before request is sent

    if (store.getters.token) {
      if (isCheckTimeOut()) { // token过期
        store.dispatch('user/logout')// 登出
        router.push('/login')
        return Promise.reject(new Error('token过期'))
      }
      //       // let each request carry token
      //       // ['X-Token'] is a custom headers key
      //       // please modify it according to the actual situation
      config.headers['Authorization'] = `Bearer ${store.getters.token}`
    }
    return config
  },
  error => {
    //     // do something with request error
    //     console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor响应拦截器
service.interceptors.response.use(
//   /**
//    * If you want to get http information such as headers or status
//    * Please return  response => response
//   */

  //   /**
  //    * Determine the request status by custom code
  //    * Here is just an example
  //    * You can also judge the status by HTTP Status Code
  //    */
  response => {
    const { success, message, data } = response.data
    if (success) {
      return data
    } else {
      Message.error(message)// 提示错误信息
      return Promise.reject(new Error(message))// 生成并返回错误，进入catch
    }
    //     // if the custom code is not 20000, it is judged as an error.
    //     if (res.code !== 20000) {
    //       Message({
    //         message: res.message || 'Error',
    //         type: 'error',
    //         duration: 5 * 1000
    //       })

    //       // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
    //       if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
    //         // to re-login
    //         MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
    //           confirmButtonText: 'Re-Login',
    //           cancelButtonText: 'Cancel',
    //           type: 'warning'
    //         }).then(() => {
    //           store.dispatch('user/resetToken').then(() => {
    //             location.reload()
    //           })
    //         })
    //       }
    //       return Promise.reject(new Error(res.message || 'Error'))
    //     } else {
    //       return res
    //     }
  },
  error => {
    //     console.log('err' + error) // for debug
    if (error.response && error.response.data && error.response.data.code === 10002) { // token过期
      store.dispatch('user/logout')
      router.push('/login')
    } else {
      Message.error(error.message)// 提示错误信息
    }
    return Promise.reject(error)// 返回错误，进入catch
  }
)
// 校验是否超时
function isCheckTimeOut() {
  const currentTime = Date.now()// 当前时间戳
  const timestamp = getTimeStamp()// 缓存时间戳
  return (currentTime - timestamp) / 1000 > TimeOut
}
export default service
